genode/base-fiasco/mk/l4_pkg.mk
2011-12-22 16:19:25 +01:00

70 lines
1.7 KiB
Makefile

#
# Utility for building L4 contrib packages
#
# Variables that steer the behaviour of this makefile:
#
# TARGET - name of target
# PKGS - list of L4 packages to visit in order to create
# the target
#
LIBS += platform
ifeq ($(filter-out $(SPECS),x86_32),)
L4_BUILD_ARCH := x86
endif
ifeq ($(filter-out $(SPECS),arm),)
L4_BUILD_ARCH := arm
endif
ifeq ($(L4_BUILD_ARCH),)
all: l4_build_arch_undefined
$(VERBOSE)$(ECHO) "Error: L4_BUILD_ARCH undefined, architecture not supported"
$(VERBOSE)false
endif
L4_PKG_DIR = $(L4_SRC_DIR)/l4/pkg
STARTUP_LIB =
PKG_TAGS = $(addsuffix .tag,$(PKGS))
ifeq ($(VERBOSE),)
L4_VERBOSE = V=1
endif
$(TARGET): $(PKG_TAGS)
#
# We preserve the order of processing 'l4/pkg/' directories because of
# inter-package dependencies. However, within each directory, make is working
# in parallel.
#
.NOTPARALLEL: $(PKG_TAGS)
#
# The '_GNU_SOURCE' definition is needed to convince uClibc to define the
# 'off64_t' type, which is used by bootstrap.
#
%.tag:
$(VERBOSE_MK) MAKEFLAGS= CPPFLAGS="$(CC_MARCH)" \
CFLAGS="$(CC_MARCH)" CXXFLAGS="$(CC_MARCH) -D_GNU_SOURCE" \
ASFLAGS="$(CC_MARCH)" LDFLAGS="$(LD_MARCH)" \
$(MAKE) $(VERBOSE_DIR) O=$(L4_BUILD_DIR) $(L4_VERBOSE) \
-C $(L4_PKG_DIR)/$* \
CC="$(CROSS_DEV_PREFIX)gcc" \
CXX="$(CROSS_DEV_PREFIX)g++" \
LD="$(CROSS_DEV_PREFIX)ld"
$(VERBOSE)mkdir -p $(dir $@) && touch $@
clean cleanall: clean_tags
# if (pseudo) target is named after a directory, remove the whole subtree
clean_prg_objects: clean_dir_named_as_target
clean_dir_named_as_target:
$(VERBOSE)(test -d $(TARGET) && rm -rf $(TARGET)) || true
clean_tags:
$(VERBOSE)rm -f $(PKG_TAGS)